Visible and short-wave infrared star tracker objective designs for UAV navigation

Date

2026-09-01

Author

Chasan, Chasan
Bingül, Ahmet

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Precise attitude determination is essential for unmanned aerial vehicle (UAV) navigation. Inertial measurement units (IMUs) and Global Positioning System (GPS) receivers are commonly used for UAV attitude determination; however, they typically achieve arc-minute-level accuracy, and suffer from drift and noise. This paper presents the design and simulated evaluation of two optical systems operating in the visible and short-wave (SWIR) infrared spectral bands intended to achieve arc-second-level accuracy. All performance results are based on optical simulations in Zemax OpticStudio, with analytical parameter derivations performed in MATLAB. The visible and SWIR optical systems are designed with f-numbers of f/1.7 and f/4.9, respectively. The proposed optical system designs achieve near diffraction-limited performance with thermal stability and manufacturability, indicating their potential suitability for UAV star tracker applications.

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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=105049000767&origin=inward
https://hdl.handle.net/11511/120804

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Department of Physics, Article